definition of
itch

[1] #1 itch v. [rub, scratch] scrape or rub as if to relieve itching; "Don't scratch your insect bites!". wn

[2] #2 itch v. have or perceive an itch; "I'm itching--the air is so dry!". wn

[3] #3 itch n. [scabies] a contagious skin infection caused by the itch mite; characterized by persistent itching and skin irritation; "he has a bad case of the itch". wn

[4] #4 itch n. [urge] a strong restless desire; "why this urge to travel?". wn

[5] #5 itch n. [itchiness, itching] an irritating cutaneous sensation that produces a desire to scratch. wn